On Tuesday, 26 May 2020 23:47:22 UTC+1, ss wrote:
I want to stain some pine cones, it is recommended to use food colouring
but that was useless.
I am looking for brightish reds/blue /green and will be for outdoor use,
I dont want to paint them.
Also non toxic to wildlife.
Any one got recommendations.

Doesn't matter what you use. It will fade outdoors.